CVE-2021-40180

Name: CVE-2021-40180
Creator: NVD / NIST
Published: 2022-07-26T23:15:08.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2021-40180 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.searchContacts.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.searchContacts.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.06%

60.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Tencent	Wechat	8.0.10

References

https://arxiv.org/pdf/2205.15202.pdfMitigation, Technical Description, Third Party Advisory
https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permission%20vulnerability%20report.pdfExploit, Third Party Advisory
https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvAExploit, Permissions Required, Third Party Advisory
https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDwExploit, Permissions Required, Third Party Advisory
https://arxiv.org/pdf/2205.15202.pdfMitigation, Technical Description, Third Party Advisory
https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permission%20vulnerability%20report.pdfExploit, Third Party Advisory
https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvAExploit, Permissions Required, Third Party Advisory
https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDwExploit, Permissions Required, Third Party Advisory

Timeline

Published: Jul 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40180?

In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.searchContacts.

How severe is CVE-2021-40180?

CVE-2021-40180 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40180?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40180?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST